LG K40 Tips and Tricks

Android 8 (Oreo)
Phone: LG K40
Factory OS: Android 8 (Oreo)

Have you updated your Operating System?
Then view tips for the most recent OS version(s): Android 9 (Pie)
Or view tips for all Android versions

Sometimes you may need your screen to stay on when plugged in via USB.

To do this, Drag down your notifications screen and press Settings. Then under System, select Developer Options. Then check Stay Awake.

If you can’t see Developer options then you need to enable this. Go to Settings – System – About device and press on Build number 7 times. Developer options will now appear in the System section of your settings.

When taking photos or videos, tap the screen where you want to focus on. The phone will automatically adjust the settings to improve the image or video

If you want to remove the Google Search bar, simply tap and hold the bar and a remove button will appear at top of the screen, drag the bar to that remove button, and the bar will disappear.

If this is not working, go to Settings – Applications – Application manager. Then swipe from right to left so you are on the All screen. Scroll to Google search and press Disable.

Sometimes while typing long text or SMS messages you will get a message saying Converting to multimedia message. This won’t normally cause a problem, however some users do not want to send a MMS message.

There are a number of different settings to deal with this, however there isn’t really a way to prevent the phone from converting to an MMS. The reason for this is that any message over 480 characters cannot be sent as an SMS message. They must be sent as an MMS. The is a restriction of SMS messages in general, similar to the original limit of 160 characters. ?

What you can do however is ensure you get alerted when you have reached 480 characters. Then you can decide to send the message as an SMS and continue your conversation on a second message.

To check this setting is on, open your Message App and press More – Settings and More Settings – Multimedia messages. Then select Set restrictions and choose Warning. You will now be told when your message is being converted to MMS.

You can also change the settings for Creation mode which lets you restrict messages that go over a certain size. If you select Warning or Restricted, you should get further warnings when your message is really large and may not be handled by the network.

Note: This availability of this feature depends on your device.

To change your default font, go to Settings – Display – Font.

Now you can change the font size.

Another option is to install the popular Go Launcher EX App. Then once this is installed, download their GoLauncher Fonts App.

If you call someone regularly this can be useful as you will have a shortcut to them handily placed on your homescreen.

To bookmark a Contact on your Home Screen, then first go into your Contacts App.

Find the Contact you want to add to the Home Screen and press on them.

Then press More or the Menu key and select Add shortcut to home.

Then go to your Home Screens, find the Contact you’ve just added. Press, hold and drag to another position.

An almost essential setting is the ability to lock your screen by pressing the power key once. It will save plenty of time in the long run.

If this isn’t enabled, then go to Settings – Accessibility – Answering and ending calls.

Then select Pressing the power key.

A useful feature of Android Pie is what’s called Screen Pinning. This allows you to lock your phone to one App. Perfect if you have a young child that you don’t want messing with your phone. Or if you want to lend your phone to someone to make a call, but make the call only.

To enable this go to Settings – Security & location – Screen pinning. Then go to the App you want to Pin and press the Multitask key. Then look at the most recent and tap on app icon -pop appears then select Pin.

To un-pin an App just press the Multitask key and the back key together.

The phone has the ability to send quick response text messages if your phone is ringing but you can’t answer it.

To change these, go to your Dialler App and press the Menu or More button.

Then select Settings – Quick Responses.

From here you can add or edit your reject messages.

Android now comes with some great battery management built into the OS.

Pull down your notifications screen and select Settings. Then go to Battery ?and you will see some useful stats such as the time remaining. There are also two other options: Power saving mode and Ultra power saving mode. Select one of these to really make your phone last the distance.

Be warned that these can limit your device quite considerably.

You can also increase Battery Life by minimizing the numbers of Apps running in the background.